OpenTechnical

OT-2026-000083707

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, single stage ejector, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000083707) never changes.

Identity and time

Publication numberOT-2026-000083707 · never reused
Internal UUID01a0ae98-0417-7ef4-9b24-e7fda9353937 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083707
StatusPUBLIC

Content hashes

Canonical text9820d44a23e5ea029f5e047d324694b004cd004f371d57a5d231d6fa17521705
Markdowne920b0f38b6e8d4419fba2517652dd970eeb30ac7643ed1ab4985422afa0438d
PDF
Publication page6daf1772f1b9e66360c17aa717d7425b66d8f7af7133172689857e13ec464dac
Manifest5dbca018d4b2dbc34365c1821ff6e942e272b27ad8343bfdd6b855b0030e1afd

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureojQg0t2gMBC9/kKLjjt1UIWVdHt5WnCgX/JnGVEyGjlsVmBzEbzTfXlXZ3540iToIeZIm0Znf8cUz+RaUz+3AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:57:20.195889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083707
observed 6daf1772f1b9e66360c17aa717d7425b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:20.180500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083707/manifest.json
observed 5dbca018d4b2dbc34365c1821ff6e942...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:20.164005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083707/publication.md
observed e920b0f38b6e8d4419fba2517652dd97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:20.146454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083707/publication.txt
observed 9820d44a23e5ea029f5e047d324694b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.